Description

(+/-)-2-(4-Chlorophenoxy)Propionic Acid CAS NO 20421-33-4 is a versatile chiral phenoxypropionic acid derivative, serving as a critical intermediate in the synthesis of advanced chemical products. Its value lies in the reactive carboxylic acid group and the chlorophenoxy moiety, which are key for constructing molecules with specific biological or material properties. This compound is essential for R&D and production teams in the agrochemical and pharmaceutical industries, particularly for developing herbicides and active pharmaceutical ingredients (APIs).

Application

• Agrochemical Intermediate: A key precursor in the synthesis of phenoxy herbicide analogs, such as those targeting broadleaf weed control.
• Pharmaceutical Synthesis: Used as a chiral building block for creating non-steroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents.
• Chemical Research: Serves as a standard or starting material in organic chemistry research for studying reaction mechanisms and developing new synthetic pathways.
• Specialty Chemical Production: Employed in the manufacture of liquid crystal compounds, dyes, and other functional materials requiring a phenoxypropionic acid backbone.

Basic Information

Product Name	(+/-)-2-(4-Chlorophenoxy)Propionic Acid
CAS No.	20421-33-4
Molecular Formula	C9H9ClO3
Molecular Weight	200.62 g/mol
Synonyms	2-(4-Chlorophenoxy)propanoic Acid; (±)-2-(p-Chlorophenoxy)propionic Acid; DL-2-(4-Chlorophenoxy)propionic Acid; 4-Chlorophenoxy-α-methylacetic Acid; 2-(4-Chlorophenoxy)-2-methylacetic Acid; (RS)-2-(4-Chlorophenoxy)propionic Acid; Cloprop (acid form)
EINECS	243-815-9

Quality Control

Our (+/-)-2-(4-Chlorophenoxy)Propionic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment, ensuring full traceability and compliance with your quality protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	114 - 118 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.